/*主内容区*/
/*.profile{background:url(../img/about/profile-xl.jpg) no-repeat center;}*/
.about_b .mt div{
	margin-top:20px;
}
h2{
	margin-top: 40px;
}
.about_b .p_a{
	margin-top: 45px;
	line-height: 24px;
	
}
.about_b .p_b{
	background: #f8f8f8;
	font-weight: bold;
	font-size: 18px;
	padding: 7px 30px 7px;

}
.about_l{
	margin-top:54px;

}
.about_l img{
	width: 100%;
}
 .img-responsive{
	margin: 0 auto;
}
/*媒体查询*/
@media (max-width: 500px){
	.profile{
		background:url(../img/about/profile-xll.jpg) no-repeat center;height: 700px;
		}
	.profile h1{
		padding-top: 20px;
	}
	.about_b .p_b{
	font-size: 14px;
	
	}
	}

@media (max-width: 759px){
	.profile{
		background:url(../img/about/profile-xl.jpg) no-repeat center; height: 500px;
		}
	.profile h1{
		padding-top: 20px;
	}
	}
@media (min-width: 760px){
	.profile{
		background:url(../img/about/profile-xs.jpg) no-repeat center;height: 382px;
		}
	.profile h1{
		padding-top: 40px;
	}
	.about_b .p_b{
	background: #f8f8f8;
	font-weight: bold;
	font-size: 18px;
	padding: 7px 15px 7px;

	}
	}
@media(min-width: 1000px){
	.profile{
		background:url(../img/about/profile-xb.jpg) no-repeat top center;height: 382px;
		}
	.profile h1{
		padding-top: 40px;
	}
	.about_b .p_b{
	background: #f8f8f8;
	font-weight: bold;
	font-size: 18px;
	padding: 7px 30px 7px;

}
	}
@media(min-width: 1200px){
	.profile h1{padding: 45px 0 35px;font-size: 32px;}
	.profile p{line-height: 22px}
}

.tri:before{
	display:inline-block;
	content: "";
	width: 0;
	height: 0;
	border-width: 5px 0 5px  5px;
	 border-style: solid;
	 border-color:transparent transparent  transparent red;
	 
	 margin-top: 6px;
	 margin-left: 58px;
	}